仁爱版英语七年级上册第二单元知识点总结

一.物主代词（单变复/同义句）形物代+名词名物代1.Myshoesareblack.=areblack.2.Thatbookishis.→Thesebooksaretheirs.mymineyouryourhisheritstheirmineoursyoursyourshishersitstheirs二.名词所有格....的•一般情况，名词后加‘s•以S结尾，加’•若名词无生命，所有格构成ofSally'sTeachers’Day教师节LilyandLucy'sroom共有Lily'sandLucy'srooms各有themapofChina中国的地图三.助动词do/don't;does/doesn't+动词原形1.非单三人称变否定，在实义动词前加don'tIhavebigeyes.Idon'thavebigeyes.变一般疑问句，无be动词，用do提问Doyouhavebigeyes?Yes,Ido/No,Idon't三.助动词do/don't;does/doesn't+动词原形2.单三人称作主语，陈述句-V单三；否疑句V原变否定,在实义动词前加doesn'tHehaslonghair.Hedoesn'thavelonghair.变一般疑问句，无be动词，用does提问Doeshehavelonghair?Yes,hedoes./No,hedoesn't.lookthesame看起来一样lookdifferent看起来不同looklike看起来像lookat看向lookhappy看起来开心AlookslikeB(A像B在句中)=AandBlookthesame(A和B像在句尾)Wedon'tlookthesame=Welookdifferent.Wehavethesamelook./Wehavedifferentlooks(名词，长相).inEnglish用英语inClass2.Grade7在....里面inaredcoat穿戴inblack穿着黑色的衣服buysthforsb=buysbsth.为某人买某物givesthtosb=givesbsth把某物给某人giveit/themtoher某物是代词时，紧跟动词后GivethislettertoMaria=GiveMariathisletterGivememybook,please.want+todo动词不定式want(sb)todosth想要(某人)做某事Iwanttobeateacher.我想要成为一名老师a/the/this/thatpairof+名词复数；pair做主语，谓语动词与pair保持一致Thispairofshoesisblack.这双鞋是黑色的。Twopairsofshoesareblack.这两双鞋是黑色的。helpsb(to)dosth=helpsbwithsthPleasehelpme(to)findher.HecanhelpyouwithyourEnglish.thesame+名词单数different+名词复数weareinthesameschool,butindifferentgrades.Welookthesame,butindifferentclothes（四）人体部位(作文/同义句)•形容词：long,short,big,small,wide,round,颜色放后面•不可数名词：hair•可数名词单数：head,face,nose,mouth,neck(有“一个a”,是is)•可数名词复数：ears,eyes,arms,legs,hands,feet(复数无“一个a”，是are)例：我头发长。Ihavelonghair.=Myhairislong他圆脸。Hehasaroundface=Hisfaceisround.她黑色大眼。Shehasbigblackeyes=Hereyesarebigandblack.（五）衣物clothes•单数：cap,coat,jacket,T-shirt,skirt,dress(一件a,是is)•复数：shoes,pants,trousers,gloves(复数无一件a,是are)例：他紫短袖HeisinapurpleT-shirt.=HisT-shirtispurple.我蓝鞋Iaminblueshoes.=Myshoesareblue.